Update pull_request_template.md

.github/pull_request_template.md

 # Create A Good Pull Request
 
+Please check the follow step before mergine this pull request
+
 - [ ] Python code style verification
+- [ ] Review all the code diff by yourself
 - [ ] All models(TensorFLow/Caffe/ONNX/PyTorch) testing passed
 - [ ] Details about your pull request, releated issues